. "Pt. 1. Introduces The world of chemistry by providing highlights of key sequences and themes from the series. The relationships of chemistry to the other sciences and to everyday life are presented. -- Pt. 2. Traces the role of color and dyes in the development of modern chemistry and how color, in turn, helps chemists study the molecular world."@en . . . . . . . . . . . . . "Pt. 19. Examines the important properties of metals including malleability, ductility, and conductivity. Explores the methods used to extract metals from ores and to blend metals to form alloys. -- Pt. 20. Teaches how the surface of a substance reacts and interacts at the molecular level and explores the world of surface science."@en . . . "The world of chemistry. Program 1, The world of chemistry ; Program 2, Color"@en . . . "Metals"@en . . . "Chemistry"@en . . . . . "The world of chemistry. Program 19, Metals ; Program 20, On the surface"@en . "World of chemistry"@en . . . . . . .